CN221303231U - Hollowed-out stainless steel plate gas chromatographic column - Google Patents
Hollowed-out stainless steel plate gas chromatographic column Download PDFInfo
- Publication number
- CN221303231U CN221303231U CN202323092949.2U CN202323092949U CN221303231U CN 221303231 U CN221303231 U CN 221303231U CN 202323092949 U CN202323092949 U CN 202323092949U CN 221303231 U CN221303231 U CN 221303231U
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- China
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- plate
- connecting plate
- hollowed
- chromatographic column
- gas chromatographic
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 17
- 239000010935 stainless steel Substances 0.000 title claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 238000004817 gas chromatography Methods 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 abstract description 16
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 241001391944 Commicarpus scandens Species 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 14
- 238000003032 molecular docking Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Abstract
The utility model discloses a hollowed stainless steel plate gas chromatographic column which comprises a plate component, wherein a micro-flow path is etched at the top of the plate component, the plate component is made of a steel plate material, a plurality of hollowed radiating holes are formed in the top of a substrate plate, one end of a first connecting plate is fixedly connected with a first butt joint disc, butt joint holes are symmetrically formed in the top of the first butt joint disc, the other side of the substrate plate is fixedly connected with a second connecting plate, one side of the second connecting plate is fixedly connected with a second butt joint disc, and the substrate plate, the first connecting plate, the first butt joint disc, the second connecting plate and the second butt joint disc are integrally formed. The utility model utilizes the arrangement mode of the hollowed-out stainless steel plate gas chromatographic column, the gas chromatographic column comprises a plate component formed by stainless steel plates, a micro-flow path is etched on the plate component, and hollowed-out heat dissipation holes are formed at the two ends of the micro-flow path, so that the gas chromatographic column is convenient to install simply, low in price, high in mechanical strength and not easy to break.
Description
Technical Field
The utility model relates to the field of gas chromatographic columns, in particular to a hollowed-out stainless steel plate gas chromatographic column.
Background
Gas chromatography is a common analytical method that can be used to separate and determine the composition of gases and volatile liquids, and conventional gas chromatography columns are cylindrical, made of a packing filled with a stationary phase. The packing has a particle size of usually 20 to 50 μm and a column length of usually 10 to 30 m, and the cylindrical gas chromatography column has disadvantages of large volume, large occupied space and easy blockage during use.
The common cylindrical gas chromatographic capillary column for visual inspection is usually made of materials such as glass, polytetrafluoroethylene, polycarbonate, polyamide and the like, wherein the glass capillary column has higher thermal stability and chemical stability, but has lower mechanical strength and is easy to break, the polytetrafluoroethylene capillary column has higher thermal stability and chemical stability, but has higher price, the polycarbonate capillary column has higher mechanical strength and chemical stability, but has lower thermal stability, and the polyamide capillary column has higher mechanical strength and thermal stability, but has higher price.
Disclosure of utility model
The utility model aims to provide a hollowed-out stainless steel plate gas chromatographic column so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: hollowed-out stainless steel plate gas chromatographic column includes:
the plate assembly is made of steel plates, and comprises a base material plate, and a plurality of hollowed-out heat dissipation holes are formed in the top of the base material plate.
Preferably, a first connecting plate is fixedly connected to one side of the substrate plate, a first butt joint disc is fixedly connected to one end of the first connecting plate, and butt joint holes are symmetrically formed in the top of the first butt joint disc.
Preferably, the opposite side fixedly connected with second connecting plate of substrate board, one side fixedly connected with second butt joint disc of second connecting plate, substrate board, first connecting plate, first butt joint disc, second connecting plate and second butt joint disc integrated into one piece setting.
Preferably, the micro-flow path comprises a plurality of vertical grooves, a first longitudinal groove, a second longitudinal groove and a plurality of circular arc grooves, wherein the vertical grooves and the circular arc grooves are etched at the top of the substrate plate, and inner cavities of two adjacent vertical grooves are communicated through the circular arc grooves.
Preferably, the first longitudinal groove is etched at the top of the second connecting plate, the second longitudinal groove is etched on the first connecting plate, and the inner cavities of the first longitudinal groove and the inner cavities of the second longitudinal groove are communicated with the inner cavities of the corresponding vertical grooves through arc grooves.
Preferably, the top of the first docking disc is provided with a sample inlet, an inner cavity of the sample inlet is mutually communicated with an inner cavity of the second longitudinal groove, the top of the second docking disc is provided with a detector interface, and the inner cavity of the detector interface is mutually communicated with the inner cavity of the first longitudinal groove.
The utility model has the technical effects and advantages that:
The utility model utilizes the arrangement mode of the hollowed-out stainless steel plate gas chromatographic column, the gas chromatographic column comprises a plate component formed by stainless steel plates, a micro-flow path is etched on the plate component, the inner diameter of the micro-flow path is 0.1-0.53 micrometers, the length is 10-30 meters, and both ends of the micro-flow path are provided with hollowed-out heat dissipation holes, so that the gas chromatographic column is convenient for simple installation, low in price, high in mechanical strength and not easy to break.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of a plan view structure of the present utility model.
In the figure: 1. a sheet assembly; 11. a substrate plate; 12. a first connection plate; 13. a first docking disc; 14. a butt joint hole; 15. a second connecting plate; 16. a second docking disc; 2. a microchannel; 21. a vertical groove; 22. a first longitudinal slot; 23. a second longitudinal slot; 24. an arc groove; 3. and the heat dissipation holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a hollowed-out stainless steel plate gas chromatographic column shown in figures 1-2, which comprises:
The plate component 1, the microchannel 2 has been sculpture at the top of plate component 1, the internal diameter of microchannel 2 is 0.1 ~ 0.53 micron, length is 10 ~ 30 meters, and adopt a plurality of vertical grooves 21, first vertical groove 22, second vertical groove 23 and a plurality of circular arc groove 24 crookedly sculpture at the top of plate component 1, can reduce the space that it occupies, plate component 1 is the steel sheet material, and the thickness of steel sheet material is 1 ~ 2 millimeters, thereby its cost of manufacture reduces, and the volume of this gas chromatographic column is little, occupation space is few, this gas chromatographic column is difficult for blockking up in the use, this gas chromatographic column has lower pressure drop, this makes it can use in high-efficient gas chromatography, stainless steel material has higher thermal stability, corrosion resistance and higher intensity, plate component 1 includes substrate board 11, the top of substrate board 11 has seted up a plurality of fretwork louvres 3, the heat dissipation hole 3 of fretwork can accelerate the heat scanning performance of substrate board 11, one side fixedly connected with first connecting plate 11, one end of first connecting plate 12, first connecting plate 12 has first connecting plate 13, first connecting plate 13 has the symmetry, the butt joint hole 14 is seted up to the butt joint sample 14 is convenient for the butt joint top.
Further, the other side of the substrate plate 11 is fixedly connected with a second connecting plate 15, one side of the second connecting plate 15 is fixedly connected with a second butting disc 16, and the substrate plate 11, the first connecting plate 12, the first butting disc 13, the second connecting plate 15 and the second butting disc 16 are integrally formed.
Specifically, the micro-flow path 2 includes a plurality of vertical grooves 21, a first longitudinal groove 22, a second longitudinal groove 23 and a plurality of circular arc grooves 24, the vertical grooves 21 and the circular arc grooves 24 are etched at the top of the substrate plate 11, the inner cavities of two adjacent vertical grooves 21 are communicated through the circular arc grooves 24, the first longitudinal groove 22 is etched at the top of the second connecting plate 15, the second longitudinal groove 23 is etched on the first connecting plate 12, and the inner cavities of the first longitudinal groove 22 and the second longitudinal groove 23 are communicated with the inner cavities of the corresponding vertical grooves 21 through the circular arc grooves 24.
Further, a sample injection interface is formed at the top of the first docking disc 13, a sample is conveniently placed into and docked with the sample injection interface, an inner cavity of the sample injection interface is mutually communicated with an inner cavity of the second longitudinal groove 23, a detector interface is formed at the top of the second docking disc 16, an inner cavity of the detector interface is mutually communicated with an inner cavity of the first longitudinal groove 22, and the detector interface is convenient for installing a detector so as to detect the detector.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. Fretwork corrosion resistant plate gas chromatography post, its characterized in that includes:
the plate assembly (1), the top sculpture of plate assembly (1) has microchannel (2), plate assembly (1) are the steel sheet material, plate assembly (1) include substrate board (11), a plurality of fretwork louvres (3) have been seted up at the top of substrate board (11).
2. The hollowed-out stainless steel plate gas chromatographic column according to claim 1, wherein one side of the substrate plate (11) is fixedly connected with a first connecting plate (12), one end of the first connecting plate (12) is fixedly connected with a first butting disc (13), and butting holes (14) are symmetrically formed in the top of the first butting disc (13).
3. The hollowed out stainless steel plate gas chromatographic column according to claim 1, wherein a second connecting plate (15) is fixedly connected to the other side of the substrate plate (11), a second butting disc (16) is fixedly connected to one side of the second connecting plate (15), and the substrate plate (11), the first connecting plate (12), the first butting disc (13), the second connecting plate (15) and the second butting disc (16) are integrally formed.
4. The hollowed stainless steel plate gas chromatographic column according to claim 1, wherein the micro flow path (2) comprises a plurality of vertical grooves (21), a first longitudinal groove (22), a second longitudinal groove (23) and a plurality of circular arc grooves (24), the vertical grooves (21) and the circular arc grooves (24) are etched on the top of the base material plate (11), and inner cavities of two adjacent vertical grooves (21) are communicated through the circular arc grooves (24).
5. The hollowed stainless steel plate gas chromatographic column according to claim 4, wherein the first longitudinal groove (22) is etched at the top of the second connecting plate (15), the second longitudinal groove (23) is etched on the first connecting plate (12), and the inner cavities of the first longitudinal groove (22) and the second longitudinal groove (23) are mutually communicated with the inner cavities of the corresponding vertical grooves (21) through the circular arc grooves (24).
6. A hollowed-out stainless steel plate gas chromatographic column according to claim 3, characterized in that the top of the first butting disc (13) is provided with a sample inlet, the inner cavity of the sample inlet is mutually communicated with the inner cavity of the second longitudinal groove (23), the top of the second butting disc (16) is provided with a detector interface, and the inner cavity of the detector interface is mutually communicated with the inner cavity of the first longitudinal groove (22).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221303231U true CN221303231U (en) | 2024-07-09 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |